Minor fix in library header define typo.
Minor fix in library header define typo.

ongjohn/LibSWD,shangdawei/LibSWD,ongjohn/LibSWD,cedar-renjun/LibSWD,ongjohn/LibSWD,cedar-renjun/LibSWD,shangdawei/LibSWD,cedar-renjun/LibSWD,shangdawei/LibSWD